Hello Hans,
I have to admit that I did not care about drivers that use interrupt
priority 0 when I created the support for VIC controller in LPC2xxx
variant. In current VIC support I decided to use 16 as the priority of
the interrupts that do not use VIC - this is the formerly behaviour of
the LPC2xxx interrupt support and of interrupts that use priority 0.
Another solution for this problem would be to invert interrupt
priorities. That means interrupt priority 0 is the lowest interrupt
priority and interrupt 16 is the highest priority. So if the drivers use
interrupt level 0 they would fall back to the old (slower) interrupt
handling. But that would not fix the test case that creates 2 interrupts
of level 1.
I think your solution is cleaner - thank you for creating this patch
Best Regards,
Uwe
Dipl. Inf. (FH)
Uwe Kindler
Software Engineering
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